It can make accurate nerve localization, guide the block needle to the target nerves, observe local anesthetic spread.

此法可以做到精确的神经定位，引导穿刺针到达目标神经，观察局麻药的扩散情况。

youdao

The clinical wage of the long needle fixation displays its superiority and therefore, it is worth further clinical application and spread.

经过临床应用，体会到长针固定的优越性，应该临床选择应用及推广。

youdao

Because most are ignorant of the dangers of needle-sharing and unprotected sex, they help spread the deadly disease to the general population.

CNN: MAPPING A SOCIAL SCOURGE

Lack of needle exchange programs has curbed efforts to combat the spread of the disease, says Annabel Kanabus, director of international AIDS charity AVERT.

CNN: Russia's bleak picture of health